Potential answers for "REM researcher's tool"

⭐⭐⭐⭐ EEG
⭐⭐⭐ DATABASE
⭐⭐ ASLEEP
⭐⭐ RAPID
⭐⭐ EYE
⭐⭐ DREAMER
⭐⭐ IRS
⭐⭐ STIPE
⭐⭐ HIFI

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